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  1. A river is the source of water for water supply to a town. Its water is very turbid and polluted. The correct sequence of steps for treating the river water would be :

    2. A.
    Presedimentation -> prechlorination -> coagulation -> sedimentation -> filtration -> post chlorination
    B.
    coagulation -> sedimentation -> post-chlorination
    C.
    coagulation -> filtration -> sedimentation -> post-chlorination
    D.
    sedimentation -> post-chlorination

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    Answer : Option A

    Explanation :

    No answer description available for this question. Let us discuss.

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